Lake Powell Water Database

powell
powell

The earliest data is from Monday, March 11th, 1963
The most recent data is from Tuesday, September 30th, 2025

Days where outflow from Lake Powell was 5820 cfs

DATE MEASURED ELEVATION CONTENT INFLOW OUTFLOW HIGH TEMP LOW TEMP WATER TEMP

Sun, Jun 05, 1988 3689.11 22,616,736 24231 5820 101.0 63.0 --

Sat, Mar 01, 1975 3645.41 16,916,512 9950 5820 68.0 37.0 --

Sat, Mar 09, 1974 3649.12 17,405,194 11350 5820 55.0 42.0 --

Tue, Feb 29, 1972 3609.51 12,947,835 13579 5820 72.0 42.0 --

Mon, Jan 17, 1966 3536.18 6,849,087 10826 5820 43.0 24.0 --

Sat, Dec 19, 1964 3491.14 4,185,275 5294 5820 n/a n/a --

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Measurements are taken at 11:59 pm of the date listed
Temperature data is from Wahweap, AZ
Water temperature data is from wayneswords.com*
CHANGE represents water elevation change from previous day

Units used in each measurement:
Elevation - Feet above sea level
Change - Feet difference over previous measurement
Content - Acre Feet
Inflow - Acre Feet per day
Outflow - Acre Feet per day
All Temps - Degrees Farhenheit
The Water Year runs from October 1 to September 30 of the next year
Acre Feet = * Flow CFS
TP = Total Precipitation

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Copyright Summit Technologies, Inc.
Water data courtesy of US Bureau of Reclamation
*Air temp data is sourced from (Prev 24 Hr Extremes): Weather
Weather forecast for
All data is provisional and subject to review and modification
USBR Source Data